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Finding the Fourth Proportional to 47,363.85, 70,995.73 and 15,765.48

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Solution

The fourth proportional to 47,363.85, 70,995.73 and 15,765.48 is: 23,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363.85 : 70,995.73 = 15,765.48 : x
  2. Step 2: Convert to fraction form
    47,363.85/70,995.73 = 15,765.48/x
  3. Step 3: Cross multiply
    47,363.85x = 70,995.73 × 15,765.48
  4. Step 4: Simplify right side
    47,363.85x = 1,119,281,899.48
  5. Step 5: Solve for x
    x = 1,119,281,899.48/47,363.85
  6. Step 6: Final answer
    x = 23,631.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.